### Princeton's WordNet

scalar product, inner product, dot productnoun

a real number (a scalar) that is the product of two vectors

**Synonyms:**

dot product, inner product, scalar product

### Wiktionary

scalar productnoun

**Synonyms:**

dot productscalar productnoun

The product of two vectors computed as the sum of the corresponding elements of the vectors, or, equivalently, as the product of the magnitudes of the vectors and the cosine of the angle between their directions.**Synonyms:**

dot product

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